/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.facebook.presto.execution.resourceGroups;

interface UpdateablePriorityQueue<E>
        extends Queue<E>, Iterable<E>
{
    boolean addOrUpdate(E element, long priority);

    boolean contains(E element);

    boolean remove(E element);

    E poll();

    E peek();

    int size();

    boolean isEmpty();
}
